<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>测试表单</title>
    <link rel="icon" href="data:;base64,="/>
</head>
<body>
      <form action="/servlet/login" method="post">
        <input name="username" type="text"/><br/><br>
        <input name="password" type="text"/><br/><br>
        <button>提交</button>
      </form>
</body>
</html>